Concurrent web based multi-task support for control management system

ABSTRACT

The multiple simultaneous concurrent tasks support on web-based console provides a way to let CCDSVM to be operated like a single machine. The combined software modules of CCDSVM have actually formed a model of web-based computer user work environment, which runs on top of a generic operating system, for either a single system or a group of system. To achieve multi-tasks support on web-console for CCDSVM, the control management station shall has console supporting software modules and web server software, the console host shall has web-browser, and the system units shall has service software modules. The console supporting software modules shall include a user space task list to store all tasks initiated by users from web-consoles. These software modules of this invention, which may be implemented with various programming languages and applies various communication protocols, on different systems shall be capable to communicate with each other through either network links in Intranet, or Internet, or LAN environment or through inter-process communication mechanism on native system. In addition, console supporting software needs to obtain associated conventional or non-conventional locks for each tasks and properly release these acquired locks one at a time in the order during each tasks executing up to the point when the tasks are finished. This shall ensure that multiple simultaneous concurrent system tasks and operations will be executed without interfering or blocking each other and without any delay. All methods and principles of multi-tasks support through we-console for CCDSVM also can be applied to a non-web-based networked console in CCDSVM environment. The implementation of Web-console support of CCDSVM actually created a unified computer user work environment to allow user accessing and operating their computer systems through a web browser either locally or remotely anywhere on the net.

FIELD OF THE INVENTION

[0001] The present invention generally relates to support user to perform multiple simultaneous concurrent tasks or system operations from a single, or multiple web-based consoles (web-console) over the central controlled distributed scalable virtual machine system (CCDSVM). This invention also relates to the creation of a web-based computer user work environment for a single or multiple computer systems. With this web-based computer user work environment the entire CCDSVM system can be operate like a single virtual machine.

BACKGROUND OF THE INVENTION

[0002] Terminology:

[0003] CCDSVM:

[0004] It is an abbreviation for central controlled distributed scalable virtual machine. The CCDSVM allows a control management station to control a group of systems and provide distributed services to client system in Intranet and Internet as well as in LAN environment. The software components of CCDSVM form the virtual operating system.

[0005] Computer User Work Environment:

[0006] Every computer system provides end users a work environment, which usually runs on top of a generic computer operating system. With this work environment, end users are capable to login to system. After login, users can setup computer resources access control for individual users based on their permitted role. The users also can configure resource such as disk, network, file folder/directory system, and others, and can run various computer tasks & operations trough computer application and let computer operating system to carry out the results of tasks to the end user.

[0007] Specially, with a generic computer operating system, this work environment allows multiple concurrent users and each of them to run multiple concurrent tasks or operations simultaneously. The computer user work environment has evolved from command line environment on a native system to window & mouse click environment on a native system in the past. This invention provides users a web-based computer user work environment on top of generic operating system for a single or multiple computers and to allows user work on one or multiple computer systems through a conventional web-browser.

[0008] Web-Console

[0009] When a server provides software support, which allows user access and perform system operations on this server through a web-browser on a system (desktop, laptop, server, PDA, or cell phone) anywhere on net, this special web-browser of that system becomes a web-console. With CCDSVM, the permitted user from web-console should be able to access and operate entire CCDSVM.

[0010] Thread and Process:

[0011] To simplify the discussion, the term of thread and process are roughly used without differentiation between them in this invention regardless the very restricted definition of the thread and process in computer science field. Here both thread and process are basically referred as a sequence of instructions based on a piece of program code, which starts to be executed by a computer system step by step and further to carry out a computer task.

[0012] The lock:

[0013] Lock is a mechanism, with which a thread can use it to protect a computer resource from other threads, which attempt to manipulate this same resource at the same time. There is conventional lock, which can be acquired and released by same thread. The conventional lock mechanisms have used by most software developer crossing the software industry. The lock described in this invention may or may not be a conventional one. The non-conventional lock mechanisms created in this invention can be acquired by one thread and may be released by same thread or by another thread. Therefore, it is non-conventional lock serving threads on the native system.

FIGURES

[0014]FIG. 1: An example of simplified multi-tasks support on Web-console in a simple environment.

[0015]FIG. 2: An example of simplified multi-tasks support on Web-console in a CCDSVM environment.

[0016]FIG. 3: An example of basic data flow between web-console on console host and the console supporting software on control management environment.

[0017]FIG. 4: An example of task and operation processing flow chart in a CCDSVM environment.

[0018]FIG. 5: The user space task list, which is an abstraction of data structure for multiple simultaneous concurrent tasks and operations control in CCDSVM environment.

[0019]FIG. 6: The layered CCDSVM structure.

[0020] In the drawing, like elements are designated by like reference numbers.

BRIEF DESCRIPTION OF THIS INVENTION

[0021] The traditional web server or other server (3 of FIG. 1) may support users from a web browser (8 of FIG. 1) somewhere on the net to perform some tasks which could get quick responses and could be finished in short period of time such as checking web server's status or get a server's other information etc.. However, it may not support well for multiple simultaneous concurrent tasks or operations from same web-browser, especially when these tasks are time consuming to be finished. For example, create a 60 GB file system on the server, or configure a raid controller on that server (3 of FIG. 1). Because these tasks often take large amount of time and will hang in the web-console on console host (1 of FIG. 1), as a result, no other tasks could be performed parallel from same web-console at same time. In addition, traditional console supporting software (5 of FIG. 1) does not work for a more complicated environment such as in a CCDSVM environment (FIG. 2).

[0022] To solve these problems and effectively support multiple simultaneous concurrent tasks on web-console for both simple and CCDSVM environment, the console supporting software (5 of FIG. 1) needs to be expanded to include additional control management software modules (4 of FIG. 2) and others. The control management software module shall communicate and control all system units (3 of FIG. 2). Also, each system units (3 of FIG. 2) needs services software modules (8 of FIG. 2) to communicate with control management software (4 of FIG. 2) of console support software (6 of FIG. 2). In addition, an user space task list (FIG. 5) could be used together with conventional or non-conventional locks to support all multiple simultaneous concurrent tasks and operations. With this invention, the multi-tasks support on web-console in a simple environment (FIG. 1) has been viewed as a special case of such support in a CCDSVM environment (FIG. 2). The CCDSVM (FIG. 2) will be degenerated into a simple server environment (FIG. 1) if multiple system units (3 of FIG. 2) do not present.

[0023] These and other features, aspects and advantages of the present invention will become understood with reference to the following description, appended claims and accompanying figures where:

BRIEF DESCRIPTION OF THE DRAWINGS

[0024]FIG. 1: Shows an example of a web-console scheme in a simple environment, which includes

[0025] a) Console host (1), from which a user is able to perform system tasks or operations for server (3) through web-console (browser) (8) of console host (1). Console hosts (1) could be any system on the net such as a server, a desktop PC, a laptop PC, a hand held PDA, or a cell phone. The web browser (8) may be an exist commercial software from any vendor or a proprietary software, which is able to handle web protocol such as HTTP. The console host may also include other software modules (9), which may be implemented with any suitable programming languages such as C, C++, Java, XML etc and communicate with server (3) using IP, non-IP or any suitable protocols to get or send data between console host and server (3).

[0026] b) Server (3), which could be a web server or any kind of system with web server software. The server consists web server software (4) and console supporting software (5). The console supporting software (5) includes web server interface (6) and other services software modules (7), which operates on native server system. The web server software (4) may be commercial or proprietary software, which is able to accept and handle the web protocol such as HTTP. It may also has a native web-console (browser) (8), therefore, user also can access and operate the computer locally.

[0027] c) The net (2), which represent the network infrastructure such as Internet and intranet, LAN with all kind of related network equipment and media such as switch/router, different kind of cables and wireless media.

[0028]FIG. 2: shows an example simplified block diagram of an embodiment of CCDSVM. The system includes

[0029] d) Console hosts (1), which could be any system on the net such as a server, a desktop PC, a laptop PC, a hand held PDA, or a cell phone, where a web-console (web browser) (9) can be used to access and operate the entire CCDSVM. The web browser (9) may be a existing commercial software from any vendor or proprietary software, which is able to handle web protocol such as HTTP. The term of the web-console used instead of using the term of web browser due to its ability to access system information and perform system operation in CCDSVM environment. The console host may also include other software modules (13), which may be implemented with any suitable programming languages such as C, C++, Java, XML etc. These software modules may communicate with control management station (2) using IP, non-IP or any suitable protocols to get or send data between console host and control management station (2). To support a non-web-based networked console, the software used for console must handle protocol other than web protocol (HTTP) and this software must communicate with console supporting software on control management station.

[0030] e) Control management station (2):

[0031] It could be any system on the net such as a server, a desktop PC, a laptop PC, or others. The control management station includes web server software (7) and console supporting software (6). The console supporting software (6) includes web server interface software modules (5) and control management software modules (4), and it may include others service software modules. It may also have native Web browser used as a web-console (9) of native system. The web server software (7) discussed in this invention could be an existing commercial software from a major vendor or other proprietary software, which is able to accept and handle the web protocol such as HTTP. The web server software (7) send data to and receive data from web-console (9 of FIG. 2) of console hosts (1 of FIG. 2).

[0032] The console supporting software (6) can be implemented with any suitable languages such as C, C++, Java, XML, etc. or even implemented by using a combination of different languages as long as it provides the features and functionality described in this invention. That means it is language independent. In addition, the communication protocol used between console support software (6) and service software modules (8) of system units (3) could be any suitable protocol such IP based, or non-IP based or other protocols.

[0033] There may be several fixed threads being created based on control management software modules (4). There are may be various number of threads are created based on web server interface software modules (5) for each tasks being initiated by user at web-console (9 of FIG. 2). All of these threads may be communicated with each other through inter-process communication both based on web interface modules (5) and based on control management module (4) are simply referred as the thread of console supporting software (6). However, sometime to simplify the discussion, they may be just referred as console supporting software (6) without mention the thread at all.

[0034] If there is needs to support a less effective non-web-based networked console, there is no need for web server software (7) and web server interfacing software module (5). Instead, an additional network software module is required and it could be implemented with any suitable programming language and any suitable communication protocol other than web protocol (HTTP). This network software module can communicate with networked console software on console host (1) via network link and further to communicate with rest of console supporting software (6) via inter-process communication mechanism.

[0035] f) System unit (3),which could be any system on the net such as a server, a desktop PC, a laptop PC, a hand held PDA, or a cell phone, any operational system, a device or component such as video server, web server, storage block data server (SAN unit), a video monitoring device, and others. The system unit contains service software modules (8), which is capable to communicate with outside of world. For example to communicate with control management software (4) of control management station (2) to carry out the tasks, or to communicate with clients of CCDSVM (10 of FIG. 2) to deliver the services to them, or to communicate with another system unit (3) to transfer data. The service software modules could be implemented with any suitable programming languages such as C, C++, Java, or others, and the communication protocol could be any suitable protocol such as IP base or other non-IP based protocol.

[0036] g) The net1 (11), which represents any kind of communication link between control management station (2) and web-console (9) or client hosts (10). The link could be an infrastructure of internet, intranet, LAN, or others and could use connection media such as cable (Ethernet, optical Fibre, and other), wireless media, bus, and could use communication equipment such as switch/routers/adapter, etc.

[0037] h) The net2 (12), which represents any kind of communication link between control management station (2) and the system units (3) or web-consoles (9).

[0038] The link could be an infrastructure of internet, intranet, LAN, or other and could use connection media such as cable (Ethernet, optical Fibre, and other), wireless media, bus, and could use communication equipment such switch/routers/adapter etc.

[0039] i) Client systems (10). The client systems are not part of CCDSVM) but they may requests services from CCDSVM (FIG. 2). The role of client systems and the connection between client system (10) and system unit (3) will not be described in this invention since they are irrelevant in this invention.

[0040]FIG. 3: Shows the simplified data flow between web-console (9 of FIG. 2) on console host (1 of FIG. 2) and the console supporting software (6 of FIG. 2) on control management station (2 of FIG. 2). Data travels from web-console (9 of FIG. 2) to console supporting software (6 of FIG. 2) includes two steps. First, data goes from web-console (9 of FIG. 2) to web server software (7 of FIG. 2) via net (11 or 12 of FIG. 2). Second, console supporting software (6 of FIG. 2) get data from web server software (7 of FIG. 2) via inter-process communication. To simplify the discussion of this invention, this data traveling path will simply refer as console supporting software (6 of FIG. 2) getting data from web-console (9 of FIG. 2) or refer as the data being send from web-console (9 of FIG. 2) to the console supporting software (6 of FIG. 2).

[0041] Data travels from console supporting software (6 of FIG. 2) to web-console (9 of FIG. 2) includes two reverse steps. First, the web server software (7 of FIG. 2) gets data from console supporting software (6 of FIG. 2) via inter-process communication. Second, the web server software (7 of FIG. 2) sends data to web-console (9 of FIG. 2) via net (11 or 12 of FIG. 2). To simplify the rest discussion in this invention, this reverse data traveling will refer as data being sent from console supporting software (6 of FIG. 2) to web-console (9 of FIG. 2) or refer as web-console (9 of FIG. 2) get data from console supporting software (6 of FIG. 2). Here the data may also be referenced as information or information on a web page etc.

[0042]FIG. 4: shows the basic tasks and operation processing flow chart, which initiated from web-console.

[0043]FIG. 5: shows the user space task list. Each slot on user space task list can be used to hold a task information issued from Web-console.

[0044]FIG. 6: Shows the layered CCDSVM environment, which provides a flexible scalability mechanism to efficiently support thousands of heterogeneous system units. With this structure, a control management station (2 of FIG. 2) at middle layer 2 also becomes a system units of the up layer1.

[0045]FIG. 7: Shows the typical hardware components of control management system, system units, and console hosts. It consists one or multiple CPU, memory, secondary storage such as disks or memory sticks, the network interface cards, and display components such as monitor or others. These components are connected internally through buses.

DETAILED DESCRIPTION OF THE INVENTION

[0046] The detailed explanation of FIG. 2 will show that how multiple concurrent tasks can be initiated from a web-console (9 of FIG. 2) and to be executed either on any of system units (3 of FIG. 2) or on control management station (2 of FIG. 2) according to this invention.

[0047] In one example, a user A from a web-console (9 of FIG. 2) got authenticated by console supporting software (6 of FIG. 2) such as successfully login on control management station (3 of FIG. 2). So that user A has obtained necessary information of all system units (3 of FIG. 2) and control management station (2 of FIG. 2) from console supporting software (6 of FIG. 2). When user A initiated a task for a selected target system, which is either a system unit (3 of FIG. 2) or the control management station (2 of FIG. 2), the task information is transmitted via net (11 or 12 of FIG. 2) from web-console (9 of FIG. 2) to the console support software (6 of FIG. 2) on control management station (2 of FIG. 2). A thread is created based on console support software (6 of FIG. 2) and it will serve and carry out this task. The created thread stores the task information into a valid entry in user level task list (FIG. 5) and obtains related locks. This ensures that the multiple tasks can be initiated simultaneously within a same web-console (9 of FIG. 2) without delaying, effecting or blocking each other. In addition, multiple web-consoles for multiple simultaneous users anywhere on net (11 or 12 of FIG. 2) also can be supported. The obtained locks for this task will be properly released one at a time along with the task execution up to the point when the task finally got finished. Therefore, each tasks could be executed without time delay.

[0048] If the total tasks initiated from web-console (9 of FIG. 2) have succeeded the maximum allowed tasks by console supporting software (6 of FIG. 2), the initiated task is failed. The locks will be released by the corresponding thread and the user A on web-console (9 of FIG. 2) is notified correspondingly via net (11 or 12 of FIG. 2).

[0049] If an existing task is in the stage of changing a resource object on a target system and if the new created task will operate on the same resource object on that target system, the new initiated task will fail or will wait the previous task to be finished. Further, if task failed, the locks will be release by the thread and the user A on the web-console (9 of FIG. 2) will be notified via net (11 or 12 of FIG. 2) by console support software (6 of FIG. 2).

[0050] The credential of executing a specific task on a specific target system by user A is checked. In addition, the ordinary users access & operation permissions and credentials are setup by administrator with super user privileges. If user A is not permitted to perform any task on such target system or is not permitted to perform such task on any system, the task execution will be fail and user A will be notified via net (11 or 12 of FIG. 2). Otherwise, the task will be carried out by the corresponding thread on target system, which is either control management station (2 of FIG. 2) or a system unit (3 of FIG. 2). If there is needs, the console supporting software (6 of FIG. 2) will send results data back to web-console (9 of FIG. 2). When a task is either failed or succeeded, the threads of console supporting software (6 of FIG. 2) will release the locks acquired for this task.

[0051] If the task needs to be executed on control management station (2 of FIG. 2), the thread created based on console supporting software (6 of FIG. 2) will carry out this task. The threads of console support software (6 of FIG. 2) also need to determine if it needs to create another thread to execute this task. If there is needs, another thread will be created to execute this task. Once the task is finished, the corresponding locks will be released by console supporting software (6 of FIG. 2).

[0052] If a task needs to be executed on a system unit (3 of FIG. 2), the console supporting software (6 of FIG. 2) will transmit the task information via net2 (12 of FIG. 2) to the service software module (8 of FIG. 2) of target system unit (3 of FIG. 2). The thread based on service software module (8 of FIG. 2) of target system unit (3 of FIG. 2) will carry out this task. The service software module (8 of FIG. 2) on target system unit (3 of FIG. 2) needs to determine if an additional thread needs to be created in order to execute such task. If there is need, an additional thread is created to execute this task. Once the task is finished on the target system unit (3 of FIG. 2), the corresponding status of the task execution is transmitted back to the console supporting software (6 of FIG. 2) of the control management station (2 of FIG. 2). Upon receiving the task finished status, the locks associated with the thread of console support software (6 of FIG. 2) for that task are released.

[0053] The Task Issued from Web-Console:

[0054] The multiple concurrent tasks issued from a web-console (9 of FIG. 2) by a user could be any of the followings:

[0055] a) Move or transmit data such as a multiple Gig Bytes of file or other data in any form from any point or any system to another point or system within CCDSVM (FIG. 2).

[0056] b) Configure, partition and assign entire storage system (raid/disk) within CCDSVM (FIG. 2).

[0057] c) Setup authentication of specific user from a specific web-console (1 of FIG. 2) with certain privilege for entire CCDSVM or for a specific system, which could be any system unit (3 of FIG. 2) or control management station (2 of FIG. 2). Setup authentication for specific services on specific system units.

[0058] d) Monitor and display network, storage, CPU, processes and threads activities and status for entire CCDSVM.

[0059] e) Creating file system, file and directory structures, and all other related data file operations on either control management system (2 of FIG. 2) or system units (3 of FIG. 2).

[0060] f) And all other kind of tasks and operations, which might be run in other OS environment.

[0061] The capability of providing user the multiple concurrent simultaneous operations and tasks on web console (9 of FIG. 2) has indicated that this invention has created a web-based user work environment on top of an exist operating system of a single or multiple computer systems. Further, this is a consistent working environment for computer system since it allows a user to access exact same working environment through web-console (9 of FIG. 2), which could be a web browser either on native system or from other remote system.

[0062] User Login:

[0063] The user-login mechanism is also supported by the console supporting software (6 of FIG. 2). The web-console (9 of FIG. 2) obtained login web page from console supporting software (6 of FIG. 2) via net (11 & 12 of FIG. 2). Once user provide account name and password for login page on web-console (9 of FIG. 2), the authentication information is sent to the console supporting software (6 of FIG. 2) for validation. Upon success of validating the user account and password information, the console support software (6 of FIG. 2) send the all necessary system information such as IP address etc to web-console (9 of FIG. 2), which include information of control management station ( 2 of FIG. 2) and system units (3 of FIG. 2).

[0064] The Maximum Tasks:

[0065] The maximum multiple concurrent simultaneous tasks can be initiated from web-consoles are determined by console support software modules (6 of FIG. 2), and they are also determined based on the needs and the capacity of the control management station (2 of FIG. 2).

[0066] The Credential Checking:

[0067] The credential of a user includes the permission to access all or partial systems, or a single system within CCDSVM, the permission to run all tasks or partial tasks which listed in previous section of “The Task Issued From Web-Console”. It also include the permission of accessing specific size of storage volumes etc. For example, user B may be granted to run tasks on system X, Y, and Z. Another user C may be granted to run tasks on entire system in CCDSVM environment. User C might be allow to get system status on system X Y, and Z only while user B allow to run all tasks on X, Y, and Z. Each system mentioned here could be a control management station or any of system units. This basically represents a two-levels of the authentication policy and checking. The first level is the security imposed for the control management station (2 of FIG. 2) and the second level is the security imposed for system units (3 of FIG. 2).

[0068] The Web-Server Interface Software Module:

[0069] The web-server interfacing software module (5 of FIG. 2) is responsible to get information from or send information to web server software (7 of FIG. 2). It also interacts with control management modules (4 of FIG. 2) via inter-process communication and communicates with service module (8 of FIG. 2) of system unit (3 of FIG. 2) via net2 (12 of FIG. 2).

[0070] The Control Management Software Module:

[0071] The control management module (4 of FIG. 2) on control management station (2 of FIG. 2) is responsible communicating with system units (3 of FIG. 2). It sends data to or receives data from system units via net2 (12 of FIG. 2). It also provides information of system units (3 of FIG. 2) to web interface software modules (5 of FIG. 2) of control management station (2 of FIG. 2) via inter-process communication mechanism.

[0072] The Layered CCDSVM Structure:

[0073] To more efficiently support multiple concurrent tasks over a larger number of system units (3 of FIG. 2), the CCDSVM can be organized into multiple layers structure (FIG. 6). With this layered structure, the CCDSVM can be sub-divided into different groups. For example, each level-2 control management station could function as both control management station (2 of FIG. 2) to the system units below it and could function as a system unit (3 of FIG. 2) for level-1 control management station. Therefore, it must have related software modules for both control management station and system units. 

What is claimed is:
 1. The Method of Multiple Concurrent Simultaneous Tasks Support within a Single or Multiple Web-Consoles Window of CCDSVM A method for supporting multiple simultaneous concurrent tasks within a single web-console in CCDSVM environment (FIG. 2) comprises the steps of: (a) User login from web-console of console host into CCDSVM environment. (b) User from web-console of console host obtains all information of the target systems within CCDSVM environment. (c) User from web-console of console host selects target system and initiate tasks based on information of CCDSVM environment. (d) Console supporting software on control management station gets and stores tasks into a user space task list, and also obtains the associated locks for each tasks. (e) Console supporting software arranges tasks to be run on the target systems until the tasks got finished.
 2. User Login to CCDSVM Environment The method of claim 1, wherein, step (a) further includes: The web-console of console host gets login web-page from console supporting software of control management station. The user provides account name and password information to login-page on web-console of console host. The web-console of console host sends the authentication information to console supporting software of control management station.
 3. The method of claim 1, wherein, step (a) further include The console supporting software of control management station performs the authentication validation checking to determine if this user is allowed to login.
 4. The method of claim 1, wherein, step (a) further include The multiple users could login from web-consoles of multiple different console hosts concurrently.
 5. Get Necessary CCDSVM Information for Task Initiation The method of claim 1, wherein, step (b) further includes: The console supporting software of control management station gets necessary information from service software modules of all system units via communication link between them. The console supporting software of control management station sends information of all system units, control management station and others to the web-console of console host.
 6. The method of claim 1, wherein, step (b) further includes: The information obtained by each user could be the IP address of each units within CCDSVM, could be a devices on a system such disk or network card or could be a file and all others, which are necessary to allow any users to initiate tasks in CCDSVM environment.
 7. Initiate Tasks The method of claim 1, wherein, step (c) and claim 5 further includes: Based on information obtained from console support software of control management station, multiple simultaneous concurrent tasks for a target system or for several different target systems could be initiated from a single web-console of a console host. The target system could be any of system units or control management station. The task information is send from web-console of console host to console support software modules of control management station.
 8. The method of claim 1, wherein, step (c) and claim 5 further includes: Based on information obtained from console support software of control management station, multiple users on multiple console hosts, each of them from a single web-console of multiple console hosts, can initiate multiple simultaneous concurrent tasks for a target system or for several target systems. The target system could be any of system units or control management station. The task information is send from web-console of console host to console support software modules of control management station.
 9. User Space Task List and the Associated Locks used for Multiple Simultaneous Concurrent Tasks Support in CCDSVM: The method of claim 1, wherein, step (d) further includes: The console supporting software of control management station gets task information from web-console of console hosts. The console supporting software of control management station stores information of each tasks one at time into a valid slot in its user space task list. The console supporting software of control management station acquires associated locks to protect the resources used by each tasks and further to prevent each tasks from interfering each other or from blocking each other.
 10. The method of claim 1, wherein, step (d) further includes: The locks acquired for each tasks could be conventional or non-conventional lock. The conventional lock can be acquired and released by same thread. The non-conventional lock can be acquired by one thread or process and be released by another thread or process.
 11. Run Tasks in CCDSVM Environment: The method of claim 1, wherein, step (e) further includes: Based on task information, the console support software of control management station determines which target system the task to be executed on.
 12. The method of claim 1, wherein, step (e) further includes: If the target of a task is for a system unit, the console support software of control management system transmits the task information to the service software module of the target system units. Otherwise, the task will carried out on control management station.
 13. The method of claim 1, wherein, step (e) further includes: The console support software of control management station or the service software module of system unit needs to determine if an additional thread needs to be created to carry out the tasks. If there is needs, an additional thread is created to carry out the task. Otherwise, the threads of the console support software modules of control management station, or the threads of service software modules of system unit carries out the task.
 14. The method of claim 1, wherein, step (e) further includes: The console supporting software needs to determine if a task is permitted to run by a specific user, who initiated this task. The console supporting software also needs to determine if a task is permitted to run on a specific target system by a user, who initiated this task.
 15. The method of claim 1, wherein, step (d) and step (e) also includes each tasks' associated locks will be released one at a time along with each tasks' executing up to the point that task is done. Therefore, each tasks can be executed properly without any time delay. The CCDSVM
 16. The CCDSVM stands for central controlled distributed scalable virtual machine system. It consists a) central control management station b) system units c) console hosts d) network infrastructure (net1 and net2)
 17. The claim 16 further includes If the system units do not present, the CCDSVM degenerated into a simple server and all claims, wherein, described in this document can be applied to this simple server except to those claims related to system unit.
 18. The claim 16 further includes Complemented by multi-tasking support on web-console, the CCDSVM can have the following full features: a) Support multiple simultaneous concurrent system tasks and operations from a single web-console on a console host or from multiple consoles on multiple console hosts anywhere on the net. b) Configuration of the entire resources in CCDSVM environment such as storage, network, and others. c) Deliver scalable distributed application services or contents to each end users on client systems anywhere on the net such as video service, storage services, security service, database service, and all other web services.
 19. The claim 18 further includes a) The all features claimed in 18 allow the entire CCDSVM to be operated just like a giant single machine. b) The combination of console support software, web server software, and other service software modules on control management station, the service software modules on all system units and the web browser software on console host have formed a web-base computer user work environment for CCDSVM virtual machine.
 20. The Console Hosts The claim 16, item (c) further includes a) The console host could be any system and anywhere on the net. It could be a server, a desktop or laptop PC, a hand held personal computer or devices such as PDA, or a cell phone running with operating system such as Linux, MS Window, Unix or others. In addition, a web browser must be available to be used as a web-console. b) To support web-console, the console host must have web browser software, which could be an existing commercial or proprietary software, which is able to handle web protocol such as HTTP. Therefore, it could be used to access information provided by console supporting software on control management station and initiate tasks over entire CCDSVM. The web-console could be implemented with any suitable programming languages. c) If there is needs to support a less effective non-web-based network console, a new networked software module is required, which may use a protocol other than web protocol (HTTP) and it can communicate with control management station's console support software. d) The console host may also includes other software modules, which may be implemented with any suitable programming languages such as C, C++, Java, XML etc.. The other software module may also communicate with control management station using IP, non-IP or any suitable protocols to get or send data between console host and server control management station.
 21. Network Infrastructure The claim 16, wherein, item (d) further includes a) The network infrastructure represents any kind of communication link between control management station, console host, system units and client hosts. The link could be an infrastructure of internet, intranet, LAN/WAN, or others and could be connected by using media such as cable (Ethernet, Fibre, SCSI, and other), wireless media, or bus. It also may include network equipment such switch/routers/adapter etc. b) The network infrastructure connects control management station, console host, system units together to form a CCDSVM as well as connecting client system to let them access CCDSVM. c) The network infrastructure may also include Internet software structure such as domain name server, which helps each system on net to find the network address such as IP address.
 22. System Units: The claim 16, wherein, item (b) further includes a) The system units may be a server system, a desktop or laptop PC, any operational system, a device or component. For example, it could be a video server, web server, database server other servers, storage block data server (SAN unit), network attached storage (NAS), a security monitor device, a communication device PDA or cell phone, and other devices such as a Raid/Disk etc.. b) Each system units may run with operating system such Linux, MS Window, various Unix, or others. c) The system unit must contain service software modules, which is capable to communicate with control management station to carry out tasks, or to communicate with client systems to deliver services to them, or to communicate with another system unit for data transferring. d) The service software modules may be implemented with any suitable languages such as C, C++, Java, XML etc. e) The communication protocols used by service software on system units could be any suitable ]P based or non-IP based protocols.
 23. Control Management Station: The claim 16, wherein, item (a) further includes a) The control management station could be a server or a other type of computer system, or a communication system, or a device, which is able to control, manage large number of system units and support the delivery of the distributed services or contents. It may run with operating system such as Linux, various Unix, MS Window or others. b) The control management station must have web server software and console supporting software. It may also have a native web-browser used as native web-console. The console supporting software may includes web server interface software modules, control management software modules, and it may include others service software modules. c) The console support software modules may be implemented with any suitable programming languages such as C, C++, Java, XML, etc.
 24. The claim 23, wherein, item (b) further includes a) The console supporting software communicates with web server software through inter-process communication mechanism. It also communicates with service software module of system units by using any suitable protocols such as 1P based or non-IP based or other protocols via communication link of network infrastructure. b) The web server and web-browser software could be an existing commercial software from a major vendor or other proprietary software, which is able to accept and handle the web protocol such as HTTP. The web server software of control management station sends data to and receives data from the web-console of console hosts or from web-console of the native system. c) If there is needs to support a less effective non-web-based network console, there is no need for web server software and web server interface software on control management station. Instead, there is need for network software module, which is able to communicate network console on console host via network link using protocol other than web protocol (HTTP). In addition, it can be implemented with any suitable programming languages. Also, it is able to communicate with control management software module via inter-process communication mechanism on control management station.
 25. Threads The claim 24, wherein, item (a) further includes a) There may be several fixed threads being created based on control management software modules. There are may be various number of threads are created based on web server interface software modules for each tasks being initiated by user at web-console. b) These threads may be communicated with each other through inter-process communication mechanism.
 26. The claim 24, wherein, item (a) further includes The console supporting software includes the user space task list.
 27. Max Tasks The claim 18, wherein, item (a) further includes The total number of concurrent tasks can not exceed the maximum tasks, which is setup by the console supporting software based on the capacity of control management station and the practical use of the web-console.
 28. User Credential Checking: The claim 1, wherein step (a) together with the claim 14 further evidenced a) A said two level security authentication scheme used in CCDSVM environment. b) The first level of security authentication is imposed on control management station. c) The second level of security authentication is imposed on system units.
 29. The claim 28 further includes a) The first level of security authentication includes the login authentication such as user and password checking and the authentication of specific users to perform specific tasks on the control management station. For example to allow a user to own certain size of storage volumes on a target system and allow user to exercise all storage operations on their own storage volumes etc. b) The second level of authentication includes the authentication of specific user to access specific number of system units, and to perform specific tasks on permitted system units in CCDSVM environment. c) The second level of authentication also includes the authentication of specific services of the specific system unit, which could be provided to specific clients.
 30. The Type of Tasks Supported in Web-Console of CCDSVM Environment: The claim 18, wherein, item a) further includes that the multiple simultaneous concurrent tasks issued from a web-console by a user could be any of the followings: a) Move or transmit data such as a multiple Gig-bytes data file or other data in any form from any point or any system to another point or system within CCDSVM. b) Configure, partition, and assign entire storage system (raid/disk) within CCDSVM. c) Setup authentication of specific user from a specific web-console with certain privilege for entire CCDSVM or for one or several systems, which could be any system unit or control management station. Setup authentication for services of CCDSVM to provide to clients. d) Monitor and display network, storage, CPU, processes and threads activities and status for entire CCDSVM. e) Create and mount file system, file and directory structures, and performing all related data file operations on either control management system or system units. f) And all other kind of system tasks such as read permitted documentation files etc.
 31. The claim 30, further evidence From web-console of CCDSVM, users are able to perform full range of multiple concurrent system tasks and operations for entire CCDSVM environment. These system tasks and operations are compatible to those concurrent system tasks and operations can be performed on a native system in other operating system environment such as Microsoft Window system environment, Apple Computer's window environment, or Linux and various Unix console environment. The capability of providing users the multiple concurrent simultaneous operations and tasks on web console has indicated that the supporting of web-console has created a web-based computer user working environment for the various operating systems of either for a single system or for a group of systems. Further, it allows an user to access exact same working environment through web-console either on native system or from other remote system. Therefore, this is a consistent user work environment for various operating systems on different hardware systems.
 32. The claim 30, wherein, item a) further includes The service software modules on system units together with the control management software modules on control management station can actually perform all of these system operations in responding to the multiple concurrent tasks and operations initiated from web-console.
 33. Support Multi-Tasks with Non-Web-Based Console in CCDSVM Environment The claim 20, wherein, item (c) together with claim 24, wherein, item (d) further evidence All methods and principles described from claim 1 to claim 29 are applicable to support multiple simultaneous concurrent tasks with less effective non-web-based console-in CCDSVM environment.
 34. The Others the claim 16, claim 22 and claim 23 together further includes To more efficiently support multiple concurrent tasks over a larger number of system units, all systems in CCDSVM may be organized into multiple layers with multiple groups. Within a layered CCDSVM structure the middle layer of control management stations also becomes the system units of the control management station at the layer above it. The control management station at middle layer must have software modules of both control management station and system unit.
 35. The claim 16 further includes The CCDSVM structure provides a powerful scalability mechanism to efficiently support thousands of heterogeneous system units just like a single machine in Intranet, Internet and LAN environment.
 36. The claim 20 with item a), b), and d) together with claim 30) further includes a) When the wireless devices used as web-console host, the users on web-console of these wireless devices can partition storage, create and mount file system, and create file/directory hierarchy for any systems within CCDSVM. In addition, user can move any type of data to the storage on these systems from console host itself or from any other system within CCDSVM. This actually is in the sense that it has enabled the users of these wireless devices to actually own a huge amount of virtual external storage such as owning multiple Gig Bytes disk storage on either system units or control management station. 